Saint John Weather in August
Saint John in August
The short of it: Saint John in August averages a high of 21 °C (69 °F) and a low of 15 °C (59 °F), with 56 mm (2.2 in) of rain and about 14 h 23 min of daylight. Rated 4 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 21° · low 15° · rain 56 mm · daylight 14 h 23 min
✦✦✦✦ Recommended for a visit · best months: July & August
Thirty years of records give Saint John an average August high of 21°, a low of 15° and some 56 mm of rain. The height of summer in Saint John, with afternoons near 21°. Rain is modest, about 56 mm, the 8th wettest month.
The sun is up for about 14 h 23 min in mid-August, 87 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening. The Almanac rates August 4 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Saint John runs cooler than most and wetter than most in August. St Lawrence, 3 km to the S, sees much the same highs.
August in Saint John, by the numbers
- Warmth rank
- 1st warmest of 12
- Rain rank
- 8th wettest of 12
- Versus July
- about the same, 13 mm more rain
- Versus September
- 2° warmer
- Day–night spread
- 6°
- Snow season
- seldom any
- Daylight, mid-month
- 14 h 23 min
- Average wind
- 20 km/h
Neighbouring Towns
August averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| St LawrenceJersey | 3 km S | 21° | 15° | 56 mm |
| TrinityOther | 4 km ESE | 21° | 15° | 57 mm |
| Saint HelierSt Helier | 7 km SSE | 21° | 15° | 55 mm |
| St MartinOther | 7 km ESE | 21° | 15° | 56 mm |
| Barneville-PlageNormandy | 30 km ENE | 21° | 15° | 55 mm |
| Saint Peter PortSt Peter Port | 37 km NW | 20° | 15° | 56 mm |
| Les PieuxNormandy | 38 km NE | 21° | 14° | 62 mm |
| Saint SampsonSt Sampson | 38 km NW | 20° | 15° | 56 mm |